WorksheetsMS STEM WEEK 3 Challenge
Total questions: 20
Worksheet time: 9mins
Name
Class
Date
1.
Which of these is the largest planet in the Solar System?
a)
Earth
b)
Mars
c)
Mercury
d)
Jupiter
e)
Pluto
2.
Which of these is an example of inherited variation in plants?
a)
having a disease
b)
flower colour
c)
being eaten by slugs
d)
being used as a vegetable
3.
In which kingdom do all the organisms
have many cells and their cells have no
cell walls?
a)
plant kingdom
b)
animal kingdom
c)
United Kingdom
d)
fungus kingdom
4.
The best way to put out a small electrical
fire is:
a)
spray it with water to cool it down.
b)
spray with foam to exclude air and cool
it down.
c)
cover with a wet cloth to exclude air
and cool it down
d)
spray with a powder extinguisher to exclude air
5.
When lithium reacts with water, one
product is
a)
carbon dioxide.
b)
lithium dioxide.
c)
dihydrogen oxide
d)
lithium hydroxide
6.
Which element is very unreactive?
a)
Hydrogen
b)
Argon
c)
Potassium
d)
Oxygen
7.
The main difference between a chemical
change and a physical change is that in a
chemical change you always get:
a)
a change of state.
b)
heat given out
c)
a change in colour.
d)
a new substance being formed
8.
Name 3 human body organs
(a)
9.
How many of these 4 need for plant to process Photosynthesis?
a)
carbon dioxide
b)
water
c)
sunlight
d)
oxygen
10.
Which of the following organs is not part of the digestive system?
a)
Heart
b)
Liver
c)
Pancreas
d)
Stomach
11.
Draw the structure of human's DNA?

12.
what is the name for the structure?
(a)
13.
What are proteins used for?
a)
Cell chemistry
b)
Energy
c)
Growth and repair
d)
Healthy blood
14.
A metal which is used in jewelry is .....
a)
lead
b)
silver
c)
tin
d)
Carbon
15.
Why does the firework has different colors?
(a)
16.
84 ÷ −7
(a)
17.
highest common factor (HCF) of 120 and 150
(a)
18.
6x + 3 = 2x+ 11 Solve for x
(a)
19.
Write 2 and 1/4 hours as a decimal
(a)
20.
Lowest common multiple of 120 and 150
(a)
100 %
